diff --git a/server/build.gradle b/server/build.gradle
index a8b64b2c..57af5407 100644
--- a/server/build.gradle
+++ b/server/build.gradle
@@ -50,7 +50,7 @@ dependencies {
 	implementation "commons-io:commons-io:2.18.0"
 	implementation "com.github.vladimir-bukhtoyarov:bucket4j-core:8.0.1"
 	implementation "org.mnode.ical4j:ical4j:4.1.0"
-	implementation "com.itextpdf:itext-core:9.0.0"
+	implementation "com.itextpdf:itext-core:9.1.0"
 	implementation "com.itextpdf:html2pdf:6.0.0"
 	implementation "com.auth0:java-jwt:4.4.0"